Category: Biology »

Systematic review of forecasting models in disease epidemiology

In the previous article, the role and advantages of using forecasting models in disease epidemiology was discussed. Forecasting models are important tools assisting public health decision making. They help predict future disease trends, incidents and possible risks in a population or community. Read more »

Significance of statistical analysis in epidemiological studies

Infectious diseases continue to pose significant threat to humans and animals. Stringent disease control policies and advancement in vaccines have not eradicated them. Therefore, in 2015 alone, 10 top deadly diseases were responsible for killing 30 million people. Among these diseases, communicable diseases like lower respiratory infections, diarrhea, tuberculosis and HIV were the major culprits (World Health Organization, 2017). Read more »

Drug related hypersensitivity to Penicillin

Penicillin was discovered by Ernest Duchesne in 1896 and Alexander Fleming by isolating the antibiotic substance from the fungus Penicillium chrysogenum. The fungus produces this antibiotic when its food resources are limited as a mechanism to kill bacteria. It is used in the treatment of a variety of infections (such as scarlet fever, skin, ear and throat infection, pneumonia, rheumatic fever, chorea). Read more »

Social and economic burden of allergic diseases in India

The prevalence of different allergies has been explored in the previous articles across 5 case countries and comparisons have been drawn with prevalence in India. The findings implicate that incidence of several allergic responses have been rising continuously mainly due to development in technology and increase in severe pollution. Allergic reactions in present times are affecting nearly 20-30% of the Indian population. Allergy has become a cause of concern for both individuals and government. This is because of its social and economic impact in terms of cost of healthcare, loss of working hours and lower quality of life among others. This article explores the social and economic burden of allergic diseases in India.

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Uranium bioremediation using microbial for mitigating its pollution

Radioactive substances occur naturally in the environment and they emit small amounts of radiations. However, anthropogenic activities produce high levels of radioactive materials that are released into the environment causing pollution. The most common radioactive metals are Uranium, Plutonium, Polonium, Radium, Thorium and Cesium. Among these, Uranium is the most frequently and naturally occurring radioactive substance and possesses weak radioactivity properties. Therefore it is important to focus on mitigating its pollution and uranium bioremediation is one of them.

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Mercury bioremediation processes to combat mercury contamination

Mercury bioremediation processes as mercury occurs naturally in the environment and is found in both elemental inorganic and organic forms. It generally occurs in two oxidation states, Hg+1 and Hg+2, they are commonly found as:

  • elemental mercury,
  • mercuric chloride,
  • mercuric sulfide (cinnabar ore),
  • and methylmercury.

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Bio-remediation as a solution for common textile dyes in soil

Textile dyes are artificial or natural substances used to dye fabric. Artificial dyes are one of the worst contributors to soil pollution as they contain mutagenic, cytotoxic, cancer and allergy causing properties (Khandare & Govindwar 2015). This is aggravated by the fact that the textile dye industry release by-products in the form of effluent, causing extensive pollution. However, existing physio-chemical technologies to clean up polluted water or soil are expensive and cause secondary problems in terms of disposal. Read more »

A bio-remediation solution for pharmaceutical pollution

Bioremediation is a technology that ‘treats’ environmental pollution  using microbes, plants or their by-products. It helps in removing xenobiotic and recalcitrant pollutants through physical or chemical methods. Pharmaceutical industry releases large quantities of recalcitrant pharmaceutical by-products. Additionally, farming and municipal wastes contribute to the pollution. Although pharmaceutical products are biologically active, they are non-biodegradable and recalcitrant in nature, which makes pharmaceutical pollution difficult to be rid of using conventional methods (1).

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